Bear in mind the actuality has tended to come far faster than the IPCC predictions. The IPCC, being a UN body of government appointed scientists, economists etc, consistently take an overly conservative view. There's been criticism of this over the years.
IPCC includes representatives from the oil and coal states, and those reports require unanimity. What gets published tends to the blandest interpretation possible so that the oil states, coal exporters and the couple of countries pretending it isn't happening can agree too.
Saudi has tried to significantly tone down reports to protect their oil interests to name but one. It's far from the sole incident:
From seven years ago: https://www.scientificamerican.com/article/how-the-ipcc-unde...
IPCC includes representatives from the oil and coal states, and those reports require unanimity. What gets published tends to the blandest interpretation possible so that the oil states, coal exporters and the couple of countries pretending it isn't happening can agree too.
Saudi has tried to significantly tone down reports to protect their oil interests to name but one. It's far from the sole incident:
https://www.theguardian.com/environment/earth-insight/2014/m...